x86/bugs: Make Safe-RET robust against interrupt injection

Date Aug 6, 2026
Type Patch Tuesday
Signal High-risk advisory
Vendor / Product Microsoft ยท Mariner
CVE CVE-2026-68480
High-risk advisory CVE-2026-68480

Summary

x86/bugs: Make Safe-RET robust against interrupt injection Published in August 2026 Early Security Updates.

Why it matters

Microsoft published this item through its Security Update Guide, making it part of Patch Tuesday triage for affected Windows, cloud, or application estates. EPSS percentile: 10%.

Operator check

Review the Microsoft Security Update Guide entry for CVE-2026-68480. Confirm whether Mariner is deployed, then apply the current security update or documented mitigation. CVSS score: 8.8. EPSS probability: 0.2%; percentile: 10%.

Sources

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